CVE-2026-94127: Critical Unauthenticated RCE in F5 BIG-IP APM


On September 22, 2026, F5 published a security advisory for CVE-2026-94127, a critical heap-based buffer overflow vulnerability affecting F5 BIG-IP Access Policy Manager (APM). The vulnerability has a CVSS v3.1 score of 9.8. An unauthenticated attacker with network access to an affected virtual server may be able to achieve remote code execution (RCE) by sending specifically crafted traffic.

BIG-IP APM provides identity-aware access control for applications and other corporate resources and can integrate with authentication technologies including OAuth, OpenID Connect, and SAML. CVE-2026-94127 is not exposed in a default configuration: exploitation requires a BIG-IP virtual server with both an APM access policy and an OAuth profile configured. Because affected BIG-IP systems may process traffic at an organization’s network edge, organizations using this configuration should prioritize remediation.

Read more…
Source:  Rapid7 News


Sign up for the Cyber Security Review Newsletter
The latest cyber security news and insights delivered right to your inbox


Related:

  • Check Point SmartConsole Authentication Bypass Technical Analysis (CVE-2026-16232)

    July 29, 2026

    On July 22, 2026, Check Point published a security advisory for CVE-2026-16232, an authentication bypass in the SmartConsole login process affecting Security Management Server and Multi-Domain Security Management Server (MDS). By leveraging CVE-2026-16232, an unauthenticated attacker can obtain an application login token, use this token to log in through SmartConsole with full administrator privileges, and modify the security policy ...

  • Vatican’s official prayer app leaks more than 700K users’ info

    July 24, 2026

    Click To Pray, a prayer app endorsed by the Pope with hundreds of thousands of users worldwide, has leaked people’s names and email addresses for months – or longer – according to an ethical hacker who said she found and reported the security vulnerability six months ago to no avail. This app needs to take ...

  • Millions of cars could be tracked and unlocked by a hidden security flaw

    July 23, 2026

    A car alarm vendor’s coding mistake has left millions of vehicles vulnerable to theft and location tracking. Thanks to the way dealers sell car alarms, many affected drivers don’t even know they have one installed. The device is the KARR Security System, a Bluetooth-enabled aftermarket alarm built by Acrisure Protection Group. It’s installed by dealers, primarily ...

  • Russian State-Supported Cyber Actors Conduct Phishing Campaign Targeting Users of Zimbra Collaboration Suite

    July 23, 2026

    A group of Russian state-supported cyber actors has been targeting and compromising various Western government and commercial organizations using the Zimbra Collaboration Suite (ZCS) software since at least July 2025. The Russian state supported advanced persistent threat (APT) group’s activity is tracked in the cybersecurity community under several names (see Cybersecurity industry tracking), primarily as ...

  • Hugging Face confirms breach affected internal datasets and credentials

    July 20, 2026

    Hugging Face, a platform that hosts AI models and datasets, said its internal datasets and service credentials were compromised in a hack last week. The company disclosed the breach on Friday, but said it was still investigating whether any customer or partner data was stolen during the incident. In a blog post, the company said a dataset uploaded ...

  • Three Steps to the Terminal: A Siemens ROX II Zero-Day Trilogy

    July 17, 2026

    Palo Alto Unit 42 conducted this research in close partnership with Siemens, reflecting their shared commitment to advancing the security and resilience of critical infrastructure. This report details a critical, chained exploit comprising three zero-day vulnerabilities (CVE-2025-40948, CVE-2025-40947, and CVE-2025-40949) discovered in Siemens ROX II operational technology (OT) switches. Successful exploitation of this chain would allow ...